5525B/31/32 Line Matrix Printer Code V Programmer's Reference Manual

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c. In Graphics Mode, the following characters are
allowed: B, C, D, E, G, H, I, J, K, L, M, Q, R,
S, T, U, V, W, Z, or -.
23 Character Width Command Error
A Character Width command (W) contains a non-numeric width
parameter.
24 Serial Overflow Error
The serial input buffer is full. The host probably did not honor the
Code V flow control to stop sending characters.
25 Line Parameter Error
A Line command (LS or LD) contains a non-numeric horizontal or
vertical parameter.
26 Undefined Shading, Mask, or Dark Command Error
A shading (K) command (shading, shading mask, or dark print) is
followed by an unknown character. It must be followed by an H
for standard shading, an L for shading mask, or an F for dark
printing.
27 Shading Mask Factor Error
A Shading Mask command (KL) does not include a valid
hexadecimal mask parameter. Only numeric characters or
A, B,
C, D, E, or F are allowed.
28 Vertical Duplication (Repeated Form) Parameter Error
A Vertical Duplication command (R) contains a non-numeric
repeat parameter or is not followed by a line terminator.
29 Inner Vertical Duplication (Repeated Form) Error
An inner (nested) Vertical Duplication command (R) contains a
non-numeric repeat parameter, is not followed by a line
terminator, or an inner loop already exists. Only one inner repeat
loop is allowed within a repeated form.
30 Plot Length Error
A Plot command (Q or C) exceeded the internal plot buffer size.
No terminator was found.
31 Auto Increment/Decrement Command Error
An Auto Increment/Decrement command (Y) has one of the
following faults:
a. An invalid value was provided for the +/-
parameter. Only + or - is allowed.
b. The increment/decrement amount is zero.
c. The command is not followed by (cc)G.
d. The increment/decrement has more
characters than the operand.
32 Dot Slew Command Error
A Dot Slew command (D) contains a non-numeric dots
parameter.